13554634 has 4 divisors (see below), whose sum is σ = 20331954. Its totient is φ = 6777316.

The previous prime is 13554631. The next prime is 13554637. The reversal of 13554634 is 43645531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43645531 = 383 ⋅113957.

It is an interprime number because it is at equal distance from previous prime (13554631) and next prime (13554637).

It can be written as a sum of positive squares in only one way, i.e., 12938409 + 616225 = 3597^2 + 785^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13554596 and 13554605.

It is not an unprimeable number, because it can be changed into a prime (13554631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388657 + ... + 3388660.

Almost surely, 2^13554634 is an apocalyptic number.

13554634 is a deficient number, since it is larger than the sum of its proper divisors (6777320).

13554634 is an equidigital number, since it uses as much as digits as its factorization.

13554634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777319.

The product of its digits is 21600, while the sum is 31.

The square root of 13554634 is about 3681.6618530224. The cubic root of 13554634 is about 238.4309331249.

The spelling of 13554634 in words is "thirteen million, five hundred fifty-four thousand, six hundred thirty-four".