13372403 has 4 divisors (see below), whose sum is σ = 14588088. Its totient is φ = 12156720.

The previous prime is 13372363. The next prime is 13372427. The reversal of 13372403 is 30427331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13372403 - 2¹⁸ = 13110259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13372003) 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 3 ways as a sum of consecutive naturals, for example, 607826 + ... + 607847.

It is an arithmetic number, because the mean of its divisors is an integer number (3647022).

Almost surely, 2^13372403 is an apocalyptic number.

13372403 is a deficient number, since it is larger than the sum of its proper divisors (1215685).

13372403 is a wasteful number, since it uses less digits than its factorization.

13372403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215684.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 13372403 is about 3656.8296378147. The cubic root of 13372403 is about 237.3576055023.

Adding to 13372403 its reverse (30427331), we get a palindrome (43799734).

The spelling of 13372403 in words is "thirteen million, three hundred seventy-two thousand, four hundred three".