13779130 has 8 divisors (see below), whose sum is σ = 24802452. Its totient is φ = 5511648.

The previous prime is 13779121. The next prime is 13779137. The reversal of 13779130 is 3197731.

It can be written as a sum of positive squares in 2 ways, for example, as 13111641 + 667489 = 3621^2 + 817^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13779092 and 13779101.

It is not an unprimeable number, because it can be changed into a prime (13779137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688947 + ... + 688966.

Almost surely, 2^13779130 is an apocalyptic number.

13779130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13779130 is a deficient number, since it is larger than the sum of its proper divisors (11023322).

13779130 is a wasteful number, since it uses less digits than its factorization.

13779130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377920.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13779130 is about 3712.0250537948. The cubic root of 13779130 is about 239.7400542006.

The spelling of 13779130 in words is "thirteen million, seven hundred seventy-nine thousand, one hundred thirty".