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12159253 = 103118051
BaseRepresentation
bin101110011000…
…100100010101
3211212202100201
4232120210111
511103044003
61112340501
7205231501
oct56304425
924782321
1012159253
116955477
1240a4731
132699632
141887301
151102b1d
hexb98915

12159253 has 4 divisors (see below), whose sum is σ = 12277408. Its totient is φ = 12041100.

The previous prime is 12159187. The next prime is 12159281. The reversal of 12159253 is 35295121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35295121 = 131926759.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12159253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12159053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58923 + ... + 59128.

It is an arithmetic number, because the mean of its divisors is an integer number (3069352).

Almost surely, 212159253 is an apocalyptic number.

It is an amenable number.

12159253 is a deficient number, since it is larger than the sum of its proper divisors (118155).

12159253 is a wasteful number, since it uses less digits than its factorization.

12159253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118154.

The product of its digits is 2700, while the sum is 28.

The square root of 12159253 is about 3487.0120447168. The cubic root of 12159253 is about 229.9511742608.

The spelling of 12159253 in words is "twelve million, one hundred fifty-nine thousand, two hundred fifty-three".

Divisors: 1 103 118051 12159253