15172069 has 8 divisors (see below), whose sum is σ = 16689600. Its totient is φ = 13791580.

The previous prime is 15172067. The next prime is 15172081. The reversal of 15172069 is 96027151.

It is not a de Polignac number, because 15172069 - 2¹ = 15172067 is a prime.

It is a super-2 number, since 2×15172069² = 460383355481522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15172069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15172063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4369 + ... + 7030.

It is an arithmetic number, because the mean of its divisors is an integer number (2086200).

Almost surely, 2^15172069 is an apocalyptic number.

It is an amenable number.

15172069 is a deficient number, since it is larger than the sum of its proper divisors (1517531).

15172069 is an equidigital number, since it uses as much as digits as its factorization.

15172069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432 (or 11410 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 15172069 is about 3895.1340156662. The cubic root of 15172069 is about 247.5606435758.

The spelling of 15172069 in words is "fifteen million, one hundred seventy-two thousand, sixty-nine".