13891148 has 6 divisors (see below), whose sum is σ = 24309516. Its totient is φ = 6945572.

The previous prime is 13891127. The next prime is 13891153. The reversal of 13891148 is 84119831.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736390 + ... + 1736397.

It is an arithmetic number, because the mean of its divisors is an integer number (4051586).

Almost surely, 2^13891148 is an apocalyptic number.

It is an amenable number.

13891148 is a deficient number, since it is larger than the sum of its proper divisors (10418368).

13891148 is a wasteful number, since it uses less digits than its factorization.

13891148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472791 (or 3472789 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The square root of 13891148 is about 3727.0830417365. The cubic root of 13891148 is about 240.3879604861.

The spelling of 13891148 in words is "thirteen million, eight hundred ninety-one thousand, one hundred forty-eight".