13115454 has 16 divisors (see below), whose sum is σ = 28615680. Its totient is φ = 3974360.

The previous prime is 13115437. The next prime is 13115471. The reversal of 13115454 is 45451131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13115437) and next prime (13115471).

It is a super-2 number, since 2×13115454² = 344030267252232, 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, 99294 + ... + 99425.

It is an arithmetic number, because the mean of its divisors is an integer number (1788480).

Almost surely, 2^13115454 is an apocalyptic number.

13115454 is an abundant number, since it is smaller than the sum of its proper divisors (15500226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13115454 is a wasteful number, since it uses less digits than its factorization.

13115454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198735.

The product of its digits is 1200, while the sum is 24.

The square root of 13115454 is about 3621.5264737400. The cubic root of 13115454 is about 235.8274977087.

Adding to 13115454 its reverse (45451131), we get a palindrome (58566585).

The spelling of 13115454 in words is "thirteen million, one hundred fifteen thousand, four hundred fifty-four".