12749502 has 32 divisors (see below), whose sum is σ = 26956800. Its totient is φ = 4013408.

The previous prime is 12749501. The next prime is 12749509. The reversal of 12749502 is 20594721.

12749502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12749502³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12749502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7399 + ... + 8957.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^12749502 is an apocalyptic number.

12749502 is an abundant number, since it is smaller than the sum of its proper divisors (14207298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12749502 is a wasteful number, since it uses less digits than its factorization.

12749502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12749502 is about 3570.6444796423. The cubic root of 12749502 is about 233.6133947838.

The spelling of 12749502 in words is "twelve million, seven hundred forty-nine thousand, five hundred two".