13403401 has 12 divisors (see below), whose sum is σ = 14992560. Its totient is φ = 11883480.

The previous prime is 13403399. The next prime is 13403431. The reversal of 13403401 is 10430431.

It is not a de Polignac number, because 13403401 - 2¹ = 13403399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13403431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20010 + ... + 20668.

It is an arithmetic number, because the mean of its divisors is an integer number (1249380).

Almost surely, 2^13403401 is an apocalyptic number.

13403401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13403401 is a deficient number, since it is larger than the sum of its proper divisors (1589159).

13403401 is an equidigital number, since it uses as much as digits as its factorization.

13403401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13403401 is about 3661.0655552721. The cubic root of 13403401 is about 237.5408668365.

Adding to 13403401 its reverse (10430431), we get a palindrome (23833832).

The spelling of 13403401 in words is "thirteen million, four hundred three thousand, four hundred one".