1263607 has 2 divisors, whose sum is σ = 1263608. Its totient is φ = 1263606.

The previous prime is 1263599. The next prime is 1263629. The reversal of 1263607 is 7063621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1263607 - 2³ = 1263599 is a prime.

It is equal to p₉₇₄₄₁ and since 1263607 and 97441 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631803 + 631804.

It is an arithmetic number, because the mean of its divisors is an integer number (631804).

2^1263607 is an apocalyptic number.

1263607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263607 is an equidigital number, since it uses as much as digits as its factorization.

1263607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1263607 is about 1124.1027533104. The cubic root of 1263607 is about 108.1111966297. Note that the first 4 decimals are identical.

The spelling of 1263607 in words is "one million, two hundred sixty-three thousand, six hundred seven".