12510542 has 16 divisors (see below), whose sum is σ = 21178800. Its totient is φ = 5490240.

The previous prime is 12510541. The next prime is 12510559. The reversal of 12510542 is 24501521.

It is a super-2 number, since 2×12510542² = 313027322267528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510541) 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, 9167 + ... + 10442.

It is an arithmetic number, because the mean of its divisors is an integer number (1323675).

Almost surely, 2^12510542 is an apocalyptic number.

12510542 is a deficient number, since it is larger than the sum of its proper divisors (8668258).

12510542 is a wasteful number, since it uses less digits than its factorization.

12510542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19651.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 12510542 is about 3537.0244556689. The cubic root of 12510542 is about 232.1446655210.

The spelling of 12510542 in words is "twelve million, five hundred ten thousand, five hundred forty-two".