12401693 has 4 divisors (see below), whose sum is σ = 12515580. Its totient is φ = 12287808.

The previous prime is 12401671. The next prime is 12401713. The reversal of 12401693 is 39610421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2896804 + 9504889 = 1702^2 + 3083^2 .

It is a cyclic number.

It is not a de Polignac number, because 12401693 - 2⁸ = 12401437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401093) 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, 56780 + ... + 56997.

It is an arithmetic number, because the mean of its divisors is an integer number (3128895).

Almost surely, 2^12401693 is an apocalyptic number.

It is an amenable number.

12401693 is a deficient number, since it is larger than the sum of its proper divisors (113887).

12401693 is a wasteful number, since it uses less digits than its factorization.

12401693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113886.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12401693 is about 3521.6037539735. The cubic root of 12401693 is about 231.4694388422.

The spelling of 12401693 in words is "twelve million, four hundred one thousand, six hundred ninety-three".