12700742 has 8 divisors (see below), whose sum is σ = 19137216. Its totient is φ = 6321672.

The previous prime is 12700741. The next prime is 12700799. The reversal of 12700742 is 24700721.

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

It is a super-2 number, since 2×12700742² = 322617694701128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13793 + ... + 14684.

It is an arithmetic number, because the mean of its divisors is an integer number (2392152).

Almost surely, 2^12700742 is an apocalyptic number.

12700742 is a deficient number, since it is larger than the sum of its proper divisors (6436474).

12700742 is a wasteful number, since it uses less digits than its factorization.

12700742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28702.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 12700742 is about 3563.8100398310. The cubic root of 12700742 is about 233.3151990442.

The spelling of 12700742 in words is "twelve million, seven hundred thousand, seven hundred forty-two".