13620254 has 8 divisors (see below), whose sum is σ = 20632968. Its totient is φ = 6742600.

The previous prime is 13620223. The next prime is 13620287. The reversal of 13620254 is 45202631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13620254² = 371022638049032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33512 + ... + 33915.

It is an arithmetic number, because the mean of its divisors is an integer number (2579121).

Almost surely, 2^13620254 is an apocalyptic number.

13620254 is a deficient number, since it is larger than the sum of its proper divisors (7012714).

13620254 is a wasteful number, since it uses less digits than its factorization.

13620254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67530.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13620254 is about 3690.5628297050. The cubic root of 13620254 is about 238.8150737707.

Adding to 13620254 its reverse (45202631), we get a palindrome (58822885).

The spelling of 13620254 in words is "thirteen million, six hundred twenty thousand, two hundred fifty-four".