13929554 has 4 divisors (see below), whose sum is σ = 20894334. Its totient is φ = 6964776.

The previous prime is 13929551. The next prime is 13929577. The reversal of 13929554 is 45592931.

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

It can be written as a sum of positive squares in only one way, i.e., 8970025 + 4959529 = 2995^2 + 2227^2 .

It is not an unprimeable number, because it can be changed into a prime (13929551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482387 + ... + 3482390.

Almost surely, 2^13929554 is an apocalyptic number.

13929554 is a deficient number, since it is larger than the sum of its proper divisors (6964780).

13929554 is an equidigital number, since it uses as much as digits as its factorization.

13929554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964779.

The product of its digits is 48600, while the sum is 38.

The square root of 13929554 is about 3732.2317720099. The cubic root of 13929554 is about 240.6092967545.

The spelling of 13929554 in words is "thirteen million, nine hundred twenty-nine thousand, five hundred fifty-four".