13951469 has 4 divisors (see below), whose sum is σ = 15944544. Its totient is φ = 11958396.

The previous prime is 13951459. The next prime is 13951481. The reversal of 13951469 is 96415931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13951469 is a prime.

It is a super-2 number, since 2×13951469² = 389286974515922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13951459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996527 + ... + 996540.

It is an arithmetic number, because the mean of its divisors is an integer number (3986136).

Almost surely, 2^13951469 is an apocalyptic number.

It is an amenable number.

13951469 is a deficient number, since it is larger than the sum of its proper divisors (1993075).

13951469 is an equidigital number, since it uses as much as digits as its factorization.

13951469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993074.

The product of its digits is 29160, while the sum is 38.

The square root of 13951469 is about 3735.1665290854. The cubic root of 13951469 is about 240.7354120603.

The spelling of 13951469 in words is "thirteen million, nine hundred fifty-one thousand, four hundred sixty-nine".