13673550 has 48 divisors (see below), whose sum is σ = 36997632. Its totient is φ = 3314400.

The previous prime is 13673537. The next prime is 13673563. The reversal of 13673550 is 5537631.

It is an interprime number because it is at equal distance from previous prime (13673537) and next prime (13673563).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2494 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (770784).

Almost surely, 2^13673550 is an apocalyptic number.

13673550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13673550 is an abundant number, since it is smaller than the sum of its proper divisors (23324082).

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

13673550 is a wasteful number, since it uses less digits than its factorization.

13673550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313 (or 8308 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 13673550 is about 3697.7763588405. The cubic root of 13673550 is about 239.1261625060.

The spelling of 13673550 in words is "thirteen million, six hundred seventy-three thousand, five hundred fifty".