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12949453 = 111177223
BaseRepresentation
bin110001011001…
…011111001101
3220100220022101
4301121133031
511303340303
61141315101
7215032336
oct61313715
926326271
1012949453
117345130
124405a91
1328b51ca
141a1128d
15120bd1d
hexc597cd

12949453 has 4 divisors (see below), whose sum is σ = 14126688. Its totient is φ = 11772220.

The previous prime is 12949439. The next prime is 12949463. The reversal of 12949453 is 35494921.

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.

It is a cyclic number.

It is not a de Polignac number, because 12949453 - 221 = 10852301 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 (12949463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588601 + ... + 588622.

It is an arithmetic number, because the mean of its divisors is an integer number (3531672).

Almost surely, 212949453 is an apocalyptic number.

It is an amenable number.

12949453 is a deficient number, since it is larger than the sum of its proper divisors (1177235).

12949453 is a wasteful number, since it uses less digits than its factorization.

12949453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177234.

The product of its digits is 38880, while the sum is 37.

The square root of 12949453 is about 3598.5348407373. The cubic root of 12949453 is about 234.8283218731.

The spelling of 12949453 in words is "twelve million, nine hundred forty-nine thousand, four hundred fifty-three".

Divisors: 1 11 1177223 12949453