13992071 has 8 divisors (see below), whose sum is σ = 15160464. Its totient is φ = 12862080.

The previous prime is 13992061. The next prime is 13992091. The reversal of 13992071 is 17029931.

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 13992071 - 2¹⁸ = 13729927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13992061) 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, 8840 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (1895058).

Almost surely, 2^13992071 is an apocalyptic number.

13992071 is a deficient number, since it is larger than the sum of its proper divisors (1168393).

13992071 is a wasteful number, since it uses less digits than its factorization.

13992071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 13992071 is about 3740.5976795159. The cubic root of 13992071 is about 240.9687177822.

The spelling of 13992071 in words is "thirteen million, nine hundred ninety-two thousand, seventy-one".