13401432 has 48 divisors (see below), whose sum is σ = 39597480. Its totient is φ = 4060800.

The previous prime is 13401397. The next prime is 13401467. The reversal of 13401432 is 23410431.

It is an interprime number because it is at equal distance from previous prime (13401397) and next prime (13401467).

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7669 + ... + 9252.

Almost surely, 2^13401432 is an apocalyptic number.

13401432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13401432 is an abundant number, since it is smaller than the sum of its proper divisors (26196048).

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

13401432 is a wasteful number, since it uses less digits than its factorization.

13401432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16944 (or 16937 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13401432 is about 3660.7966346138. The cubic root of 13401432 is about 237.5292344438.

Adding to 13401432 its reverse (23410431), we get a palindrome (36811863).

It can be divided in two parts, 1340 and 1432, that added together give a palindrome (2772).

The spelling of 13401432 in words is "thirteen million, four hundred one thousand, four hundred thirty-two".