13242455 has 8 divisors (see below), whose sum is σ = 15972000. Its totient is φ = 10539936.

The previous prime is 13242443. The next prime is 13242497. The reversal of 13242455 is 55424231.

It is a happy number.

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 13242455 - 2⁸ = 13242199 is a prime.

It is a super-2 number, since 2×13242455² = 350725228854050, 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 7 ways as a sum of consecutive naturals, for example, 5660 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (1996500).

Almost surely, 2^13242455 is an apocalyptic number.

13242455 is a deficient number, since it is larger than the sum of its proper divisors (2729545).

13242455 is a wasteful number, since it uses less digits than its factorization.

13242455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13513.

The product of its digits is 4800, while the sum is 26.

The square root of 13242455 is about 3639.0184116050. The cubic root of 13242455 is about 236.5862507543.

Adding to 13242455 its reverse (55424231), we get a palindrome (68666686).

The spelling of 13242455 in words is "thirteen million, two hundred forty-two thousand, four hundred fifty-five".