12501401 has 16 divisors (see below), whose sum is σ = 14332416. Its totient is φ = 10800000.

The previous prime is 12501371. The next prime is 12501413. The reversal of 12501401 is 10410521.

It is a cyclic number.

It is not a de Polignac number, because 12501401 - 2⁶ = 12501337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12501491) 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 15 ways as a sum of consecutive naturals, for example, 20501 + ... + 21101.

It is an arithmetic number, because the mean of its divisors is an integer number (895776).

Almost surely, 2^12501401 is an apocalyptic number.

12501401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12501401 is a deficient number, since it is larger than the sum of its proper divisors (1831015).

12501401 is a wasteful number, since it uses less digits than its factorization.

12501401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

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

The square root of 12501401 is about 3535.7320317015. The cubic root of 12501401 is about 232.0881118447.

Adding to 12501401 its reverse (10410521), we get a palindrome (22911922).

The spelling of 12501401 in words is "twelve million, five hundred one thousand, four hundred one".