13691469 has 8 divisors (see below), whose sum is σ = 19914912. Its totient is φ = 8297840.

The previous prime is 13691467. The next prime is 13691471. The reversal of 13691469 is 96419631.

13691469 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13691467) and next prime (13691471).

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 13691469 - 2¹ = 13691467 is a prime.

It is a super-2 number, since 2×13691469² = 374912646755922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13691467) 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, 207414 + ... + 207479.

It is an arithmetic number, because the mean of its divisors is an integer number (2489364).

Almost surely, 2^13691469 is an apocalyptic number.

It is an amenable number.

13691469 is a deficient number, since it is larger than the sum of its proper divisors (6223443).

13691469 is a wasteful number, since it uses less digits than its factorization.

13691469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414907.

The product of its digits is 34992, while the sum is 39.

The square root of 13691469 is about 3700.1985081884. The cubic root of 13691469 is about 239.2305740963.

The spelling of 13691469 in words is "thirteen million, six hundred ninety-one thousand, four hundred sixty-nine".