13458842 has 8 divisors (see below), whose sum is σ = 20884500. Its totient is φ = 6497344.

The previous prime is 13458839. The next prime is 13458853. The reversal of 13458842 is 24885431.

It can be written as a sum of positive squares in 2 ways, for example, as 13315201 + 143641 = 3649^2 + 379^2 .

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

It is a super-2 number, since 2×13458842² = 362280855961928, which contains 22 as substring.

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, 115967 + ... + 116082.

Almost surely, 2^13458842 is an apocalyptic number.

13458842 is a deficient number, since it is larger than the sum of its proper divisors (7425658).

13458842 is a wasteful number, since it uses less digits than its factorization.

13458842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232080.

The product of its digits is 30720, while the sum is 35.

The square root of 13458842 is about 3668.6294443566. The cubic root of 13458842 is about 237.8679327548.

The spelling of 13458842 in words is "thirteen million, four hundred fifty-eight thousand, eight hundred forty-two".