12520701 has 6 divisors (see below), whose sum is σ = 18085470. Its totient is φ = 8347128.

The previous prime is 12520699. The next prime is 12520709. The reversal of 12520701 is 10702521.

It can be written as a sum of positive squares in only one way, i.e., 11737476 + 783225 = 3426^2 + 885^2 .

It is not a de Polignac number, because 12520701 - 2¹ = 12520699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695586 + ... + 695603.

It is an arithmetic number, because the mean of its divisors is an integer number (3014245).

Almost surely, 2^12520701 is an apocalyptic number.

It is an amenable number.

12520701 is a deficient number, since it is larger than the sum of its proper divisors (5564769).

12520701 is a wasteful number, since it uses less digits than its factorization.

12520701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391195 (or 1391192 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 12520701 is about 3538.4602583610. The cubic root of 12520701 is about 232.2074850639.

The spelling of 12520701 in words is "twelve million, five hundred twenty thousand, seven hundred one".