13402465 has 4 divisors (see below), whose sum is σ = 16082964. Its totient is φ = 10721968.

The previous prime is 13402453. The next prime is 13402469. The reversal of 13402465 is 56420431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2193361 + 11209104 = 1481^2 + 3348^2 .

It is a cyclic number.

It is not a de Polignac number, because 13402465 - 2¹¹ = 13400417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13402469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340242 + ... + 1340251.

It is an arithmetic number, because the mean of its divisors is an integer number (4020741).

Almost surely, 2^13402465 is an apocalyptic number.

It is an amenable number.

13402465 is a deficient number, since it is larger than the sum of its proper divisors (2680499).

13402465 is an equidigital number, since it uses as much as digits as its factorization.

13402465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680498.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 13402465 is about 3660.9377214042. The cubic root of 13402465 is about 237.5353373089.

Adding to 13402465 its reverse (56420431), we get a palindrome (69822896).

The spelling of 13402465 in words is "thirteen million, four hundred two thousand, four hundred sixty-five".