13154402 has 8 divisors (see below), whose sum is σ = 19857756. Its totient is φ = 6535152.

The previous prime is 13154359. The next prime is 13154419. The reversal of 13154402 is 20445131.

It can be written as a sum of positive squares in 2 ways, for example, as 12952801 + 201601 = 3599^2 + 449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20633 + ... + 21260.

Almost surely, 2^13154402 is an apocalyptic number.

13154402 is a deficient number, since it is larger than the sum of its proper divisors (6703354).

13154402 is a wasteful number, since it uses less digits than its factorization.

13154402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42052.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 13154402 is about 3626.8997780474. The cubic root of 13154402 is about 236.0607068764.

Adding to 13154402 its reverse (20445131), we get a palindrome (33599533).

The spelling of 13154402 in words is "thirteen million, one hundred fifty-four thousand, four hundred two".