1349999 has 6 divisors (see below), whose sum is σ = 1570464. Its totient is φ = 1157100.

The previous prime is 1349993. The next prime is 1350001. The reversal of 1349999 is 9999431.

It is not a de Polignac number, because 1349999 - 2²⁰ = 301423 is a prime.

1349999 is a modest number, since divided by 9999 gives 134 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13727 + ... + 13824.

It is an arithmetic number, because the mean of its divisors is an integer number (261744).

2^1349999 is an apocalyptic number.

1349999 is a deficient number, since it is larger than the sum of its proper divisors (220465).

1349999 is an equidigital number, since it uses as much as digits as its factorization.

1349999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27565 (or 27558 counting only the distinct ones).

The product of its digits is 78732, while the sum is 44.

The square root of 1349999 is about 1161.8945735307. The cubic root of 1349999 is about 110.5209176701.

The spelling of 1349999 in words is "one million, three hundred forty-nine thousand, nine hundred ninety-nine".