13402455 has 32 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 6343680.

The previous prime is 13402453. The next prime is 13402469. The reversal of 13402455 is 55420431.

It is not a de Polignac number, because 13402455 - 2¹ = 13402453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402453) 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 31 ways as a sum of consecutive naturals, for example, 6151 + ... + 8039.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^13402455 is an apocalyptic number.

13402455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13402455 is a deficient number, since it is larger than the sum of its proper divisors (10547625).

13402455 is a wasteful number, since it uses less digits than its factorization.

13402455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 13402455 is about 3660.9363556336. The cubic root of 13402455 is about 237.5352782314.

Adding to 13402455 its reverse (55420431), we get a palindrome (68822886).

The spelling of 13402455 in words is "thirteen million, four hundred two thousand, four hundred fifty-five".