13402326 has 64 divisors (see below), whose sum is σ = 32288256. Its totient is φ = 3628800.

The previous prime is 13402309. The next prime is 13402327. The reversal of 13402326 is 62320431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73956 + ... + 74136.

It is an arithmetic number, because the mean of its divisors is an integer number (504504).

Almost surely, 2^13402326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13402326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16144128).

13402326 is an abundant number, since it is smaller than the sum of its proper divisors (18885930).

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

13402326 is a wasteful number, since it uses less digits than its factorization.

13402326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13402326 is about 3660.9187371478. The cubic root of 13402326 is about 237.5345161285.

Adding to 13402326 its reverse (62320431), we get a palindrome (75722757).

The spelling of 13402326 in words is "thirteen million, four hundred two thousand, three hundred twenty-six".