1379963 has 8 divisors (see below), whose sum is σ = 1502256. Its totient is φ = 1260000.

The previous prime is 1379957. The next prime is 1379969. The reversal of 1379963 is 3699731.

It is an interprime number because it is at equal distance from previous prime (1379957) and next prime (1379969).

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

It is a cyclic number.

It is not a de Polignac number, because 1379963 - 2⁴ = 1379947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379969) 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, 788 + ... + 1838.

It is an arithmetic number, because the mean of its divisors is an integer number (187782).

2^1379963 is an apocalyptic number.

1379963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1379963 is a deficient number, since it is larger than the sum of its proper divisors (122293).

1379963 is a wasteful number, since it uses less digits than its factorization.

1379963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its digits is 30618, while the sum is 38.

The square root of 1379963 is about 1174.7182640957. The cubic root of 1379963 is about 111.3326331325.

The spelling of 1379963 in words is "one million, three hundred seventy-nine thousand, nine hundred sixty-three".