12520342 has 16 divisors (see below), whose sum is σ = 19612800. Its totient is φ = 5987520.

The previous prime is 12520337. The next prime is 12520351. The reversal of 12520342 is 24302521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4384 + ... + 6652.

It is an arithmetic number, because the mean of its divisors is an integer number (1225800).

Almost surely, 2^12520342 is an apocalyptic number.

12520342 is a deficient number, since it is larger than the sum of its proper divisors (7092458).

12520342 is a wasteful number, since it uses less digits than its factorization.

12520342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12520342 is about 3538.4095297181. The cubic root of 12520342 is about 232.2052657184.

Adding to 12520342 its reverse (24302521), we get a palindrome (36822863).

The spelling of 12520342 in words is "twelve million, five hundred twenty thousand, three hundred forty-two".