12749325 has 12 divisors (see below), whose sum is σ = 21079008. Its totient is φ = 6799600.

The previous prime is 12749311. The next prime is 12749327. The reversal of 12749325 is 52394721.

It is not a de Polignac number, because 12749325 - 2⁵ = 12749293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84921 + ... + 85070.

It is an arithmetic number, because the mean of its divisors is an integer number (1756584).

Almost surely, 2^12749325 is an apocalyptic number.

12749325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12749325 is a deficient number, since it is larger than the sum of its proper divisors (8329683).

12749325 is a wasteful number, since it uses less digits than its factorization.

12749325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170004 (or 169999 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 12749325 is about 3570.6196941147. The cubic root of 12749325 is about 233.6123137020.

The spelling of 12749325 in words is "twelve million, seven hundred forty-nine thousand, three hundred twenty-five".