13901004 has 48 divisors (see below), whose sum is σ = 38815840. Its totient is φ = 4276800.

The previous prime is 13901003. The next prime is 13901021. The reversal of 13901004 is 40010931.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13901003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3547 + ... + 6354.

Almost surely, 2^13901004 is an apocalyptic number.

It is an amenable number.

13901004 is an abundant number, since it is smaller than the sum of its proper divisors (24914836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13901004 is a wasteful number, since it uses less digits than its factorization.

13901004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927 (or 9919 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 13901004 is about 3728.4050209171. The cubic root of 13901004 is about 240.4448001276. Note that the first 3 decimals are identical.

Adding to 13901004 its reverse (40010931), we get a palindrome (53911935).

The spelling of 13901004 in words is "thirteen million, nine hundred one thousand, four".