12503542 has 4 divisors (see below), whose sum is σ = 18755316. Its totient is φ = 6251770.

The previous prime is 12503489. The next prime is 12503549. The reversal of 12503542 is 24530521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125884 + ... + 3125887.

It is an arithmetic number, because the mean of its divisors is an integer number (4688829).

Almost surely, 2^12503542 is an apocalyptic number.

12503542 is a deficient number, since it is larger than the sum of its proper divisors (6251774).

12503542 is an equidigital number, since it uses as much as digits as its factorization.

12503542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251773.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12503542 is about 3536.0347848968. The cubic root of 12503542 is about 232.1013602873.

The spelling of 12503542 in words is "twelve million, five hundred three thousand, five hundred forty-two".