12542974 has 8 divisors (see below), whose sum is σ = 19921248. Its totient is φ = 5902560.

The previous prime is 12542951. The next prime is 12542989. The reversal of 12542974 is 47924521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 368911 = 12542974 / (1 + 2 + 5 + 4 + 2 + 9 + 7 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184422 + ... + 184489.

It is an arithmetic number, because the mean of its divisors is an integer number (2490156).

Almost surely, 2^12542974 is an apocalyptic number.

12542974 is a deficient number, since it is larger than the sum of its proper divisors (7378274).

12542974 is a wasteful number, since it uses less digits than its factorization.

12542974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368930.

The product of its digits is 20160, while the sum is 34.

The square root of 12542974 is about 3541.6061328160. The cubic root of 12542974 is about 232.3450943333.

The spelling of 12542974 in words is "twelve million, five hundred forty-two thousand, nine hundred seventy-four".