13969907 has 8 divisors (see below), whose sum is σ = 16031232. Its totient is φ = 11925000.

The previous prime is 13969897. The next prime is 13969913. The reversal of 13969907 is 70996931.

It is a happy number.

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 13969907 - 2¹² = 13965811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13969927) 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, 2219 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (2003904).

Almost surely, 2^13969907 is an apocalyptic number.

13969907 is a deficient number, since it is larger than the sum of its proper divisors (2061325).

13969907 is an equidigital number, since it uses as much as digits as its factorization.

13969907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209.

The product of its (nonzero) digits is 91854, while the sum is 44.

The square root of 13969907 is about 3737.6338772009. The cubic root of 13969907 is about 240.8414158463.

The spelling of 13969907 in words is "thirteen million, nine hundred sixty-nine thousand, nine hundred seven".