13622869 has 8 divisors (see below), whose sum is σ = 14779800. Its totient is φ = 12481536.

The previous prime is 13622863. The next prime is 13622879. The reversal of 13622869 is 96822631.

13622869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28900 + 13593969 = 170^2 + 3687^2 .

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 13622869 - 2¹³ = 13614677 is a prime.

It is a super-2 number, since 2×13622869² = 371165119582322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13622863) 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, 2044 + ... + 5605.

It is an arithmetic number, because the mean of its divisors is an integer number (1847475).

Almost surely, 2^13622869 is an apocalyptic number.

It is an amenable number.

13622869 is a deficient number, since it is larger than the sum of its proper divisors (1156931).

13622869 is a wasteful number, since it uses less digits than its factorization.

13622869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799.

The product of its digits is 31104, while the sum is 37.

The square root of 13622869 is about 3690.9170947070. The cubic root of 13622869 is about 238.8303564386.

It can be divided in two parts, 136 and 22869, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 13622869 in words is "thirteen million, six hundred twenty-two thousand, eight hundred sixty-nine".