12701641 has 4 divisors (see below), whose sum is σ = 12997072. Its totient is φ = 12406212.

The previous prime is 12701639. The next prime is 12701653. The reversal of 12701641 is 14610721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12701641 - 2¹ = 12701639 is a prime.

It is a super-2 number, since 2×12701641² = 322663368185762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12701341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147651 + ... + 147736.

It is an arithmetic number, because the mean of its divisors is an integer number (3249268).

Almost surely, 2^12701641 is an apocalyptic number.

It is an amenable number.

12701641 is a deficient number, since it is larger than the sum of its proper divisors (295431).

12701641 is an equidigital number, since it uses as much as digits as its factorization.

12701641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295430.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12701641 is about 3563.9361666562. The cubic root of 12701641 is about 233.3207038516.

The spelling of 12701641 in words is "twelve million, seven hundred one thousand, six hundred forty-one".