1263379 has 8 divisors (see below), whose sum is σ = 1371440. Its totient is φ = 1156896.

The previous prime is 1263377. The next prime is 1263391. The reversal of 1263379 is 9733621.

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

It is not a de Polignac number, because 1263379 - 2¹ = 1263377 is a prime.

It is a super-2 number, since 2×1263379² = 3192252995282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1263379.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263373) 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, 1732 + ... + 2350.

It is an arithmetic number, because the mean of its divisors is an integer number (171430).

2^1263379 is an apocalyptic number.

1263379 is a deficient number, since it is larger than the sum of its proper divisors (108061).

1263379 is a wasteful number, since it uses less digits than its factorization.

1263379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its digits is 6804, while the sum is 31.

The square root of 1263379 is about 1124.0013345188. The cubic root of 1263379 is about 108.1046938601.

The spelling of 1263379 in words is "one million, two hundred sixty-three thousand, three hundred seventy-nine".