12542670 has 96 divisors (see below), whose sum is σ = 38218752. Its totient is φ = 2794176.

The previous prime is 12542657. The next prime is 12542723. The reversal of 12542670 is 7624521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26859 + ... + 27321.

It is an arithmetic number, because the mean of its divisors is an integer number (398112).

Almost surely, 2^12542670 is an apocalyptic number.

12542670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12542670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19109376).

12542670 is an abundant number, since it is smaller than the sum of its proper divisors (25676082).

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

12542670 is a wasteful number, since it uses less digits than its factorization.

12542670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12542670 is about 3541.5632141753. The cubic root of 12542670 is about 232.3432172272.

The spelling of 12542670 in words is "twelve million, five hundred forty-two thousand, six hundred seventy".