12401015 has 16 divisors (see below), whose sum is σ = 17089920. Its totient is φ = 8543520.

The previous prime is 12400987. The next prime is 12401027. The reversal of 12401015 is 51010421.

It is not a de Polignac number, because 12401015 - 2¹⁰ = 12399991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4889 + ... + 6978.

It is an arithmetic number, because the mean of its divisors is an integer number (1068120).

Almost surely, 2^12401015 is an apocalyptic number.

12401015 is a deficient number, since it is larger than the sum of its proper divisors (4688905).

12401015 is a wasteful number, since it uses less digits than its factorization.

12401015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11902.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12401015 is about 3521.5074896981. The cubic root of 12401015 is about 231.4652206241.

Adding to 12401015 its reverse (51010421), we get a palindrome (63411436).

The spelling of 12401015 in words is "twelve million, four hundred one thousand, fifteen".