13405948 has 12 divisors (see below), whose sum is σ = 23545872. Its totient is φ = 6678560.

The previous prime is 13405927. The next prime is 13405957. The reversal of 13405948 is 84950431.

It is a congruent number.

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, 4840 + ... + 7087.

It is an arithmetic number, because the mean of its divisors is an integer number (1962156).

Almost surely, 2^13405948 is an apocalyptic number.

It is an amenable number.

13405948 is a deficient number, since it is larger than the sum of its proper divisors (10139924).

13405948 is a wasteful number, since it uses less digits than its factorization.

13405948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212 (or 12210 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 13405948 is about 3661.4133882969. The cubic root of 13405948 is about 237.5559122285. Note that the first 3 decimals are identical.

The spelling of 13405948 in words is "thirteen million, four hundred five thousand, nine hundred forty-eight".