13077500 has 30 divisors (see below), whose sum is σ = 28603344. Its totient is φ = 5230000.

The previous prime is 13077499. The next prime is 13077509. The reversal of 13077500 is 577031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13077509) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 116 + ... + 5115.

Almost surely, 2^13077500 is an apocalyptic number.

13077500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13077500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14301672).

13077500 is an abundant number, since it is smaller than the sum of its proper divisors (15525844).

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

13077500 is an equidigital number, since it uses as much as digits as its factorization.

13077500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255 (or 5238 counting only the distinct ones).

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 13077500 is about 3616.2826216987. The cubic root of 13077500 is about 235.5997957266.

The spelling of 13077500 in words is "thirteen million, seventy-seven thousand, five hundred".