12401653 has 12 divisors (see below), whose sum is σ = 14435820. Its totient is φ = 10609280.

The previous prime is 12401593. The next prime is 12401671. The reversal of 12401653 is 35610421.

It can be written as a sum of positive squares in 2 ways, for example, as 10745284 + 1656369 = 3278^2 + 1287^2 .

It is not a de Polignac number, because 12401653 - 2⁹ = 12401141 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 (12401153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958 + ... + 5071.

It is an arithmetic number, because the mean of its divisors is an integer number (1202985).

Almost surely, 2^12401653 is an apocalyptic number.

It is an amenable number.

12401653 is a deficient number, since it is larger than the sum of its proper divisors (2034167).

12401653 is a wasteful number, since it uses less digits than its factorization.

12401653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068 (or 6057 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12401653 is about 3521.5980747382. The cubic root of 12401653 is about 231.4691899841.

The spelling of 12401653 in words is "twelve million, four hundred one thousand, six hundred fifty-three".