13402923 has 16 divisors (see below), whose sum is σ = 19044480. Its totient is φ = 8360064.

The previous prime is 13402913. The next prime is 13402937. The reversal of 13402923 is 32920431.

It is not a de Polignac number, because 13402923 - 2¹⁴ = 13386539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13402893 and 13402902.

It is not an unprimeable number, because it can be changed into a prime (13402913) 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 15 ways as a sum of consecutive naturals, for example, 3315 + ... + 6147.

It is an arithmetic number, because the mean of its divisors is an integer number (1190280).

Almost surely, 2^13402923 is an apocalyptic number.

13402923 is a deficient number, since it is larger than the sum of its proper divisors (5641557).

13402923 is a wasteful number, since it uses less digits than its factorization.

13402923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13402923 is about 3661.0002731494. Note that the first 3 decimals coincide. The cubic root of 13402923 is about 237.5380430287.

The spelling of 13402923 in words is "thirteen million, four hundred two thousand, nine hundred twenty-three".