12401534 has 8 divisors (see below), whose sum is σ = 19696608. Its totient is φ = 5836000.

The previous prime is 12401533. The next prime is 12401537. The reversal of 12401534 is 43510421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401533) 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 3 ways as a sum of consecutive naturals, for example, 182342 + ... + 182409.

It is an arithmetic number, because the mean of its divisors is an integer number (2462076).

Almost surely, 2^12401534 is an apocalyptic number.

12401534 is a deficient number, since it is larger than the sum of its proper divisors (7295074).

12401534 is a wasteful number, since it uses less digits than its factorization.

12401534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364770.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12401534 is about 3521.5811789592. The cubic root of 12401534 is about 231.4684496279.

Adding to 12401534 its reverse (43510421), we get a palindrome (55911955).

The spelling of 12401534 in words is "twelve million, four hundred one thousand, five hundred thirty-four".