12502040 has 16 divisors (see below), whose sum is σ = 28129680. Its totient is φ = 5000800.

The previous prime is 12502033. The next prime is 12502051. The reversal of 12502040 is 4020521.

It is a congruent number.

It is an unprimeable number.

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, 156236 + ... + 156315.

It is an arithmetic number, because the mean of its divisors is an integer number (1758105).

Almost surely, 2^12502040 is an apocalyptic number.

12502040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12502040 is an abundant number, since it is smaller than the sum of its proper divisors (15627640).

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

12502040 is a wasteful number, since it uses less digits than its factorization.

12502040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312562 (or 312558 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12502040 is about 3535.8223937296. The cubic root of 12502040 is about 232.0920661155.

Adding to 12502040 its reverse (4020521), we get a palindrome (16522561).

The spelling of 12502040 in words is "twelve million, five hundred two thousand, forty".