13077381 has 8 divisors (see below), whose sum is σ = 17999104. Its totient is φ = 8436960.

The previous prime is 13077373. The next prime is 13077413. The reversal of 13077381 is 18377031.

13077381 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13077381 - 2³ = 13077373 is a prime.

It is a super-2 number, since 2×13077381² = 342035787638322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13077331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70216 + ... + 70401.

It is an arithmetic number, because the mean of its divisors is an integer number (2249888).

Almost surely, 2^13077381 is an apocalyptic number.

It is an amenable number.

13077381 is a deficient number, since it is larger than the sum of its proper divisors (4921723).

13077381 is a wasteful number, since it uses less digits than its factorization.

13077381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140651.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 13077381 is about 3616.2661683012. The cubic root of 13077381 is about 235.5990811033.

The spelling of 13077381 in words is "thirteen million, seventy-seven thousand, three hundred eighty-one".