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12913201 = 74342901
BaseRepresentation
bin110001010000…
…101000110001
3220022001120201
4301100220301
511301210301
61140435201
7214521550
oct61205061
926261521
1012913201
11731a974
1243a8b01
1328a1862
141a01d97
151201201
hexc50a31

12913201 has 8 divisors (see below), whose sum is σ = 15101504. Its totient is φ = 10810800.

The previous prime is 12913181. The next prime is 12913211. The reversal of 12913201 is 10231921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12913201 - 25 = 12913169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12913211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21150 + ... + 21751.

It is an arithmetic number, because the mean of its divisors is an integer number (1887688).

Almost surely, 212913201 is an apocalyptic number.

It is an amenable number.

12913201 is a deficient number, since it is larger than the sum of its proper divisors (2188303).

12913201 is an equidigital number, since it uses as much as digits as its factorization.

12913201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42951.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12913201 is about 3593.4942604657. The cubic root of 12913201 is about 234.6089830653.

The spelling of 12913201 in words is "twelve million, nine hundred thirteen thousand, two hundred one".

Divisors: 1 7 43 301 42901 300307 1844743 12913201