13920267 has 8 divisors (see below), whose sum is σ = 19367424. Its totient is φ = 8876648.

The previous prime is 13920259. The next prime is 13920287. The reversal of 13920267 is 76202931.

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

It is a cyclic number.

It is not a de Polignac number, because 13920267 - 2³ = 13920259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13920227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100803 + ... + 100940.

It is an arithmetic number, because the mean of its divisors is an integer number (2420928).

Almost surely, 2^13920267 is an apocalyptic number.

13920267 is a deficient number, since it is larger than the sum of its proper divisors (5447157).

13920267 is a wasteful number, since it uses less digits than its factorization.

13920267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201769.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 13920267 is about 3730.9874028198. The cubic root of 13920267 is about 240.5558125027. Note that the first 3 decimals are identical.

The spelling of 13920267 in words is "thirteen million, nine hundred twenty thousand, two hundred sixty-seven".