12701645 has 8 divisors (see below), whose sum is σ = 16627680. Its totient is φ = 9237520.

The previous prime is 12701639. The next prime is 12701653. The reversal of 12701645 is 54610721.

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

It is not a de Polignac number, because 12701645 - 2⁶ = 12701581 is a prime.

It is a super-3 number, since 3×12701645³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 115415 + ... + 115524.

It is an arithmetic number, because the mean of its divisors is an integer number (2078460).

Almost surely, 2^12701645 is an apocalyptic number.

It is an amenable number.

12701645 is a deficient number, since it is larger than the sum of its proper divisors (3926035).

12701645 is a wasteful number, since it uses less digits than its factorization.

12701645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230955.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12701645 is about 3563.9367278334. The cubic root of 12701645 is about 233.3207283440.

The spelling of 12701645 in words is "twelve million, seven hundred one thousand, six hundred forty-five".